ATI LPN
Medical Surgical Neurology Questions
Question 1 of 5
Which of the following is characteristic of the events occurring at an excitatory synapse?
Correct Answer: D
Rationale: At an excitatory synapse, ligand-gated channels open, allowing sodium entry to depolarize the postsynaptic neuron. TMP13 pp. 582-583
Question 2 of 5
Which statement concerning the generation of an action potential is correct?
Correct Answer: D
Rationale: An action potential, once initiated, is an all-or-none event that completes its course. TMP13 p. 589
Question 3 of 5
Light entering the eye passes through which retinal layer first?
Correct Answer: D
Rationale: Light first passes through the retinal ganglion layer, the most anterior retinal layer. TMP13 p. 647
Question 4 of 5
Which cell type(s) have action potentials in the retina of the human eye?
Correct Answer: D
Rationale: Only ganglion cells in the retina generate action potentials. TMP13 pp. 655, 656, 658
Question 5 of 5
The stereocilia of hair cells are embedded in which membrane?
Correct Answer: C
Rationale: Hair cell stereocilia are embedded in the tectorial membrane. TMP13 p. 677